On the symbol length of -algebras
On the symbol length of -algebras
Abstract The main result of this paper states that if $k$ is a field of characteristic $p\gt 0$ and $A/ k$ is a central simple algebra of index $d= {p}^{n} $ and exponent ${p}^{e} $ , then $A$ is split by a purely inseparable extension of $k$ of the form …